{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["concept or principle", "process characterization", "manufacturing standard", "enabling technology", "application", "manufacturing process"], "input": "A hybrid additive manufacturing technology for fabricating functionally graded materials ( FGMs ) is proposed in this paper ."}
{"concept or principle": ["materials"], "process characterization": [], "manufacturing standard": [], "enabling technology": [], "application": [], "manufacturing process": ["additive manufacturing", "fabricating"]}